Kia Optima Hybrid: Brake System / AHB(Active Hydraulic Boost) System
Troubleshooting SymptomSuspect AreaReferenceLower pedal or spongy pedal1. Integrated Brake Actuation Unit (Air in)air·bleed2. AHB system (Fluid leaks)replace3. Piston seals in IBAU (Worn or damaged)replaceBrake ...
Description Regeneration Brake System During deceleration or braking of an electric vehicle or HEV, the drive motor acts as an alternator and charges the battery by converting the vehicle’s kinetic energy ...
Description Machanical Oil Pump (MOP) The oil pump is built in the transaxle as a single unit with the 26 Brake (26/B) chamber. Rotation of the pump builds the hydraulic pressure needed for the lubrication of the various parts of the transaxle and operation of the clutch and brakes. The oil also circulates ...
Removal Blind spot detection (BSD) unit 1. Disconnect the negative (-) battery. Be careful when removing the blind spot detection unit. The bracket may break off from the bumper. 2. Remove the rear bumper. (Refer to Body - "Rear Bumper Cover") 3. Disconnect the BSD connector (A) from the ...
Troubleshooting
Description and OperationOther information:
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Oil Pump Description and Operation
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Blind Spot Detection Unit Repair procedures